Perhaps you should try some spelling variations:
"dong thuong dat snippets" » "cong thuong dat snippets", "dong thong dat snippets", "dung thuong dat snippets", "dong thuong dam snippets", "dong thuong da snippets", "dong thuong day snippets", "dong thuong dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong thuong dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong thuong dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong thuong dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong thuong dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.